*{box-sizing:border-box}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(/static/inter-variable-BGoqdkol.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--primary: #ffa260;--secondary: #a0b5ff;--text-color: #181b1b;--p-color: #45494f;--dark-bg: #212121;--gray-bg: #f5f5f5;--bg-white-1: white;--navbar-height: 50px;--action-bar-height: var(--navbar-height);--total-bars-height: calc(var(--navbar-height) + var(--action-bar-height));--console-height: 25vh;--tests-height: 40vh;--info-height: 35vh;--font-family: Inter, system-ui, sans-serif;--dark-1: #212121;--dark-2: #303030;--dark-25: #383838;--dark-3: #424242;--gray-white: white;--trans-gray: #c5c5c5;--dark-when-light: #222;--light-when-dark: white;--font-code: "Fira Code", monospace;--dropdown-layer: 85;--notes-layer: 85;--overlay-layer: 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a:hover{text-decoration:none}.course-aside{position:sticky;top:20px;height:fit-content;background-color:var(--pay-aside-bg);padding:32px;border-top-right-radius:16px;border-bottom-right-radius:16px}.course-cards{display:flex;flex-direction:column;gap:12px;margin-bottom:32px}.course-cards a{color:var(--text-color)}.course-card{background:var(--pay-card-bg);border-radius:12px;padding:16px 20px;cursor:pointer;border:2px solid transparent;transition:border-color .15s ease}.course-card:has(input[disabled]){opacity:.7;cursor:not-allowed}.course-card:hover{border-color:var(--pay-card-hover-border)}.course-card:has(input:checked){background:var(--pay-card-selected-bg);border-color:var(--primary)}.course-card:has(input:checked) .card-title{color:var(--text-color)}.course-card:has(input:checked) .card-desc{color:var(--p-color)}.course-card:has(input:checked):hover{border-color:var(--primary)}.course-card input[type=radio]{position:absolute;opacity:0;pointer-events:none}.card-header{display:flex;justify-content:space-between;align-items:center;gap:5px}.card-header-left{display:flex;align-items:center}.card-icon{display:flex;align-items:center;gap:0}.card-icon .icon{margin-left:-8px;display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;font-size:.75rem;font-weight:700;flex-shrink:0}.card-icon .icon:first-child{margin-left:0}.card-icon:not(:empty)+.card-title{padding-left:5px}.card-title{font-size:1rem;font-weight:600;color:var(--text-color)}.card-check{width:18px;height:18px;border-radius:50%;border:1px solid var(--pay-card-check-border);background-color:var(--pay-card-check-bg);position:relative;flex-shrink:0}.course-card:has(input:checked) .card-check{border-color:var(--primary)}.course-card:has(input:checked) .card-check:after{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:12px;height:12px;background:var(--primary);border-radius:50%}.course-bundle-other:has(input:not(:checked)) .card-icon{display:none}.course-bundle-other:has(input:not(:checked)) .card-icon+.card-title{padding-left:0}.card-desc{font-size:.875rem;color:var(--p-color);margin:12px 0 0;line-height:1.5}.price-section{text-align:center;margin-bottom:20px;margin-top:55px}.price-section.hide{opacity:0}.price-currency p{font-size:.875rem;color:var(--text-color)}.price-currency select{field-sizing:content;padding:6px 16px}help-chat{text-decoration:underline}help-chat span{font-size:1rem}#payment-buttons-container{margin-bottom:16px;min-height:54px}.student-discount{text-align:center;font-size:.875rem;color:var(--p-color);margin:0 0 10px}.student-discount a{color:var(--text-color);text-decoration:underline}.student-discount a:hover{text-decoration:none}#see-all-chapters{--app-button-color: var(--text-color);margin-top:20px;text-decoration:underline;text-decoration-color:var(--text-color);text-decoration-thickness:2px;text-underline-offset:5px}footer{margin-top:60px;background-color:var(--pay-footer-bg);display:flex;align-items:center;justify-content:center;flex-wrap:wrap;padding:24px 20px;color:var(--p-color);font-size:.875rem}footer .item{padding:4px 17px}footer a{color:var(--text-color);text-decoration:none}footer a:hover{text-decoration:underline}@media(max-width:56.25rem){.pay-main{grid-template-columns:1fr;gap:26px}.course-aside{position:static;order:-1;max-width:500px;margin:0 auto;width:100%;border-radius:16px}.benefits-section{padding:24px;border-radius:16px}.benefits-grid,.topics-list{grid-template-columns:1fr}footer{margin-top:20px}}@media(max-width:37.5rem){.pay-header{padding:35px 16px 32px}.pay-header h1{font-size:1.75rem}.pay-header p{font-size:1rem}.pay-main{padding:0 16px 30px}.benefits-section{padding:20px;border-radius:12px}#trusted-grid{grid-template-columns:1fr}.benefits-section h2,.what-you-learn h2,.projects-preview h2,.review-section h2,.faq-section h2{font-size:1.25rem}footer{flex-direction:column;text-align:center;gap:4px}}body{background:var(--gray-bg)}html.dark .benefit-item img{filter:invert(1)}.dropdown-overflow-container{all:unset;outline:revert;box-sizing:border-box;transition:opacity .16s,translate .16s;padding:0 4px}#course-dropdown{position:absolute;top:12px;right:0;z-index:calc(var(--dialog-layer) + 10);cursor:pointer;margin-left:10px;margin-right:5px}#course-dropdown:hover .dropdown-overflow-trigger{opacity:1}.dropdown-overflow-trigger{transition:opacity .16s;opacity:.6}login-btn{display:flex;justify-content:center;margin-bottom:20px;margin-top:25px}.loggedout-disabled{pointer-events:none!important;opacity:.5}